18955920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4192

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 42915120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4157, 4560, 8314, 12471, 16628, 20785, 24942, 33256, 41570, 49884, 62355, 66512, 78983, 83140, 99768, 124710, 157966, 166280, 199536, 236949, 249420, 315932, 332560, 394915, 473898, 498840, 631864, 789830, 947796, 997680, 1184745, 1263728, 1579660, 1895592, 2369490, 3159320, 3791184, 4738980, 6318640, 9477960, 18955920]

約数ペア:

[(1, 18955920), (2, 9477960), (3, 6318640), (4, 4738980), (5, 3791184), (6, 3159320), (8, 2369490), (10, 1895592), (12, 1579660), (15, 1263728), (16, 1184745), (19, 997680), (20, 947796), (24, 789830), (30, 631864), (38, 498840), (40, 473898), (48, 394915), (57, 332560), (60, 315932), (76, 249420), (80, 236949), (95, 199536), (114, 166280), (120, 157966), (152, 124710), (190, 99768), (228, 83140), (240, 78983), (285, 66512), (304, 62355), (380, 49884), (456, 41570), (570, 33256), (760, 24942), (912, 20785), (1140, 16628), (1520, 12471), (2280, 8314), (4157, 4560)]